Home / 51,659.08-77,489.56-14,218.94

Finding the Fourth Proportional to 51,659.08, 77,489.56 and 14,218.94

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Solution

The fourth proportional to 51,659.08, 77,489.56 and 14,218.94 is: 21,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,659.08 : 77,489.56 = 14,218.94 : x
  2. Step 2: Convert to fraction form
    51,659.08/77,489.56 = 14,218.94/x
  3. Step 3: Cross multiply
    51,659.08x = 77,489.56 × 14,218.94
  4. Step 4: Simplify right side
    51,659.08x = 1,101,819,404.27
  5. Step 5: Solve for x
    x = 1,101,819,404.27/51,659.08
  6. Step 6: Final answer
    x = 21,328.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.